同姓 どうせい同名 どうめいじゃありませんでした
dōseidōmeijārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 同姓同名

1. Was not the same family name and same name.; Was not a namesake.

Past/Perfective
Negative
Polite
Terminal Form